Smoke / CO Detector Replacement Cost in Los Angeles, CA
What homeowners in Los Angeles typically pay to replace a smoke / co detector in 2026.
Typical range
$65–$185
Most homeowners pay around $125 installed.
EstimatedUpdated 6/16/2026
How we calculated this
California building standards require specific hardwired multi-sensor units coupled with high regional labor rates for professional installation.
Nearby cities
Other safety replacement costs in Los Angeles
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